Home / 18,212,387.76-25,134,527.81-10,372,231.51

Finding the Fourth Proportional to 18,212,387.76, 25,134,527.81 and 10,372,231.51

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Solution

The fourth proportional to 18,212,387.76, 25,134,527.81 and 10,372,231.51 is: 14,314,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,212,387.76 : 25,134,527.81 = 10,372,231.51 : x
  2. Step 2: Convert to fraction form
    18,212,387.76/25,134,527.81 = 10,372,231.51/x
  3. Step 3: Cross multiply
    18,212,387.76x = 25,134,527.81 × 10,372,231.51
  4. Step 4: Simplify right side
    18,212,387.76x = 260,701,141,302,947.56
  5. Step 5: Solve for x
    x = 260,701,141,302,947.56/18,212,387.76
  6. Step 6: Final answer
    x = 14,314,495.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.